We consent to the incorporation by reference
in the Registration Statements on Form S-3 (No. 333-203595 and 333-213654) of Stellar Biotechnologies, Inc. of our report dated
December 14, 2016, relating to the consolidated financial statements of Stellar Biotechnologies, Inc., which report appears in
this Annual Report on Form 10-K for the year ended September 30, 2016.